import Vue from 'vue'
import VueRouter from 'vue-router'

// import Login from '../components/Login.vue'
const Login = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')

// import Home from '../components/Home.vue'
const Home = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')
    // import Welcome from '../components/Welcome.vue'
const Welcome = () =>
    import (
        /* webpackChunkName: "login_home_welcome" */
        '../components/Welcome.vue'
    )

// import Users from '../components/user/Users.vue'
const Users = () =>
    import (
        /* webpackChunkName: "User_Right_Roles" */
        '../components/user/Users.vue'
    )
    // import Rights from '../components/power/Rights.vue'
const Rights = () =>
    import (
        /* webpackChunkName: "User_Right_Roles" */
        '../components/power/Rights.vue'
    )
    // import Roles from '../components/power/Roles.vue'
const Roles = () =>
    import (
        /* webpackChunkName: "User_Right_Roles" */
        '../components/power/Roles.vue'
    )

// import Cate from '../components/goods/Cate.vue'
const Cate = () =>
    import (
        /* webpackChunkName: "User_Right_Roles" */
        '../components/goods/Cate.vue'
    )
    // import Params from '../components/goods/Params.vue'
const Params = () =>
    import (
        /* webpackChunkName: "User_Right_Roles" */
        '../components/goods/Params.vue'
    )

// import GoodsList from '../components/goods/List.vue'
const GoodsList = () =>
    import (
        /* webpackChunkName: "GoodsList_Add" */
        '../components/goods/List.vue'
    )
    // import Add from '../components/goods/Add.vue'
const Add = () =>
    import (
        /* webpackChunkName: "GoodsList_Add" */
        '../components/goods/Add.vue'
    )

// import Order from '../components/order/Order.vue'
const Order = () =>
    import (
        /* webpackChunkName: "Order_Report" */
        '../components/order/Order.vue'
    )
    // import Report from '../components/report/Report.vue'
const Report = () =>
    import (
        /* webpackChunkName: "Order_Report" */
        '../components/report/Report.vue'
    )

Vue.use(VueRouter)

const router = new VueRouter({
    routes: [
        { path: '/', redirect: '/login' },
        { path: '/login', component: Login },
        {
            path: '/home',
            component: Home,
            redirect: '/welcome',
            children: [
                { path: '/welcome', component: Welcome },
                { path: '/users', component: Users },
                { path: '/rights', component: Rights },
                { path: '/roles', component: Roles },
                { path: '/categories', component: Cate },
                { path: '/params', component: Params },
                { path: '/goods', component: GoodsList },
                { path: '/goods/add', component: Add },
                { path: '/orders', component: Order },
                { path: '/reports', component: Report }
            ]
        }
    ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    //to: 表示将要访问的路径
    // from:代表哪个路径跳转过来的
    // next: 是一个函数，表示放行
    // next() 放行   next（'/login'）强制跳转
    if (to.path === '/login') return next()
        //获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})

export default router